Update linux-embedded-hal requirement from 0.2.2 to 0.3.2

[dependabot]

Updates the requirements on linux-embedded-hal to permit the latest version.

Release notes

Sourced from linux-embedded-hal's releases.

Release 0.3.2

Fixed

• Readd Pin type export as an alias to SysfsPin for compatibility with the 0.3.0 version.

Changelog

Sourced from linux-embedded-hal's changelog.

[v0.3.2] - 2021-10-25

Fixed

• Readd Pin type export as an alias to SysfsPin for compatibility with the 0.3.0 version.

[v0.3.1] - 2021-09-27

Added

• Added implementation of transactional SPI and I2C traits.
• CountDown implementation for SysTimer.
• Default implementation for SysTimer.

Changed

• Set default features to build both sysfs and cdev pin types.
• Removed Pin export, use CdevPin or SysfsPin.
• Updated embedded-hal to version 0.2.6.
• Updated nb to version 0.1.3.
• Updated gpio-cdev to version 0.5.
• Updated i2cdev to version 0.5.
• Updated spidev to version 0.5.
• Updated sysfs-gpio to version 0.6.
• Updated cast to version 0.3.

Fixed

• Modified OutputPin behavior for active-low pins to match InputPin behavior.

[v0.3.0] - 2019-11-25

Added

• Added serial::Read/Write implementation.
• Added feature flag for Chardev GPIO

Fixed

• Do write and read in one transaction in WriteRead implementation.
• Removed #[deny(warnings)]

Changed

• Use embedded-hal::digital::v2 traits.
• Updated to i2cdev 0.4.3 (necessary for trasactional write-read).
• Updated to spidev 0.4
• Added feature flag for Sysfs GPIO

[v0.2.2] - 2018-12-21

Changed

... (truncated)

Commits

• a7b3989 Merge #69
• fd5f016 Prepare 0.3.2 release
• 5480782 Readd Pin export
• 72af109 Merge #66
• 6f1a516 Update dependencies docs links
• b34258c Prepare 0.3.1 release
• a93e5ec Relax test condition
• 4210d0c Improve CI
• 6022b5e Raise MSRV due to dependencies
• c6d9ee7 Update crate metadata and copyright
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)